License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Jean-Baptiste Louvion. The Ninth of Thermidor, or the English Surprise, to Honest People of All Countries (Le Neuf Thermidor ou la surprise angloise, aux honnêtes gens to tous le pays), fructidor l'an 3e, 1795. The Metropolitan Museum of Art.